Home / 8,575.06-12,863.76-3,380.50

Finding the Fourth Proportional to 8,575.06, 12,863.76 and 3,380.50

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Solution

The fourth proportional to 8,575.06, 12,863.76 and 3,380.50 is: 5,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.06 : 12,863.76 = 3,380.50 : x
  2. Step 2: Convert to fraction form
    8,575.06/12,863.76 = 3,380.50/x
  3. Step 3: Cross multiply
    8,575.06x = 12,863.76 × 3,380.50
  4. Step 4: Simplify right side
    8,575.06x = 43,485,940.68
  5. Step 5: Solve for x
    x = 43,485,940.68/8,575.06
  6. Step 6: Final answer
    x = 5,071.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.